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Mark (Sam Neill) returns home from an espionage mission (the nature of this mission is vague, but it involves long trips abroad, cash stuffed into briefcases, and vials of secret liquids) to find that his wife, Anna (Isabelle Adjani), wants a divorce.possession She won't say why, but insists it's not because she's found someone else.
Though Mark would rather stay with Anna and work things out, he turns both the apartment and custody of their young son, Bob, over to her. Living alone, he begins to obsess over her, making dozens of calls, and seemingly going mad. He pays a visit to their flat only to find Bob alone, unkempt, and neglected. When Anna returns, he refuses to leave her alone with the child but attempts to make amends. He stays at the apartment to care for Bob but Anna leaves in the middle of the night.
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